Effect of Annealing on PL Intensity of NaYF4:Er3+, Yb3+/Ca2+ Phosphor and the Application to Temperature Sensor

<div>Preparation process of NaYF4:Er3+/Yb3+/xCa2+ phosphors.</div>

Journal of Sensors

Figure 1: Effect of Annealing on PL Intensity of NaYF4:Er3+, Yb3+/Ca2+ Phosphor and the Application to Temperature Sensor